81336435

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{6637}}^1$

素因数の和:6707

約数の個数: 32

約数和(自身を含む): 140194560

約数和(自身を除く): 58858125

約数列:

[1, 3, 5, 15, 19, 43, 57, 95, 129, 215, 285, 645, 817, 2451, 4085, 6637, 12255, 19911, 33185, 99555, 126103, 285391, 378309, 630515, 856173, 1426955, 1891545, 4280865, 5422429, 16267287, 27112145, 81336435]

約数ペア:

[(1, 81336435), (3, 27112145), (5, 16267287), (15, 5422429), (19, 4280865), (43, 1891545), (57, 1426955), (95, 856173), (129, 630515), (215, 378309), (285, 285391), (645, 126103), (817, 99555), (2451, 33185), (4085, 19911), (6637, 12255)]